From aa32dffb962d0159f91f4374a676c66ef63a2fa8 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Fri, 20 Oct 2023 21:12:44 +0000
Subject: Fix crash introduced by prior commit

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@4770 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 urt/Runput.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/urt/Runput.c b/urt/Runput.c
index 83250814..d4281bb9 100644
--- a/urt/Runput.c
+++ b/urt/Runput.c
@@ -203,7 +203,7 @@ RunSetup(rle_hdr * const hdrP) {
     /* We need to be able to count 2 bytes for each channel of each entry
        in the color map:
     */
-    if (1 << hdrP->cmaplen > UINT_MAX/2/hdrP->ncmap) {
+    if (hdrP->ncmap > 0 && 1 << hdrP->cmaplen > UINT_MAX/2/hdrP->ncmap) {
         pm_error("Color map length %u and number of color channels in the "
                  "color map %u are too large for computation",
                  1 << hdrP->cmaplen, hdrP->ncmap);
-- 
cgit 1.4.1